Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
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Period Type:	duration

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

Weighted average interest rate of long-term debt outstanding calculated at point in time.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

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Balance Type:	debit
Period Type:	duration

- Definition

Letter of credit facility maximum borrowing capacity after renewal.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Additional borrowing capacity that may be requested upon notice to the lenders.

+ References

No definition available.

+ Details

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Namespace Prefix:	wsm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount available to be drawn upon by standby letter of credit beneficiaries under the credit facility as of the balance sheet date.

+ References

No definition available.

+ Details

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Namespace Prefix:	wsm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line of Credit Facility, Number of Facilities

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Details

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Period Type:

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Period Type:

- Details

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Borrowing Arrangements (Details)	3 Months Ended	12 Months Ended
Borrowing Arrangements (Details)	Jan. 31, 2021 USD ($)	Jan. 30, 2022 USD ($) facility	Jan. 31, 2021 USD ($)	Feb. 02, 2020 USD ($)
Debt Instrument [Line Items]
Borrowings under revolving line of credit		$ 0	$ 487,823,000	$ 100,000,000
Outstanding letter of credit facilities		4,429,000
Standby Letters of Credit
Debt Instrument [Line Items]
Amount issued but undrawn under credit facility		$ 11,745,000
Letter of Credit Facility Renewed and Extended
Debt Instrument [Line Items]
Number of facilities \| facility		3
Maximum borrowing capacity of letter of credit after renewal		$ 35,000,000
Unsecured Revolving Line of Credit
Debt Instrument [Line Items]
Current borrowing capacity		500,000,000
Maximum borrowing capacity including additional borrowing capacity		250,000,000
Borrowings under revolving line of credit	$ 0	0	$ 487,823,000
Weighted average interest rate	2.47%		2.47%
Unsecured Revolving Line of Credit \| Maximum
Debt Instrument [Line Items]
Additional borrowing capacity		$ 750,000,000
Unsecured Revolving Line of Credit \| Margin Based on Leverage Ratio \| Minimum
Debt Instrument [Line Items]
Leverage ratio		0.91%
Unsecured Revolving Line of Credit \| Margin Based on Leverage Ratio \| Maximum
Debt Instrument [Line Items]
Leverage ratio		1.775%
Unsecured Revolving Line of Credit \| Base Rate \| Minimum
Debt Instrument [Line Items]
Leverage ratio		0.00%
Unsecured Revolving Line of Credit \| Base Rate \| Maximum
Debt Instrument [Line Items]
Leverage ratio		0.775%
Unsecured Term Loan Facility
Debt Instrument [Line Items]
Face amount		$ 300,000,000